diff --git a/packages/concordia-app/src/views/Home/HomeTopicList/index.jsx b/packages/concordia-app/src/views/Home/HomeTopicList/index.jsx
index f41bb2f..e70c759 100644
--- a/packages/concordia-app/src/views/Home/HomeTopicList/index.jsx
+++ b/packages/concordia-app/src/views/Home/HomeTopicList/index.jsx
@@ -41,7 +41,7 @@ const HomeTopicList = () => {
 
   useEffect(() => {
     if (numTopicsResult) {
-      setNumTopics(parseInt(numTopicsResult.value, 10));
+      setNumTopics(parseInt(numTopicsResult.value, 10) || 0);
     }
   }, [numTopicsResult]);
 
diff --git a/packages/concordia-app/src/views/Profile/ProfilePostList/index.jsx b/packages/concordia-app/src/views/Profile/ProfilePostList/index.jsx
index 51dbf37..3436aea 100644
--- a/packages/concordia-app/src/views/Profile/ProfilePostList/index.jsx
+++ b/packages/concordia-app/src/views/Profile/ProfilePostList/index.jsx
@@ -51,13 +51,15 @@ const ProfilePostList = (props) => {
 
   useEffect(() => {
     if (getUserPostCountResult) {
-      setUserPostCount(parseInt(getUserPostCountResult.value, 10));
+      setUserPostCount(parseInt(getUserPostCountResult.value, 10) || 0);
     }
   }, [getUserPostCountResult, userPostCount]);
 
   useEffect(() => {
     if (getUserPostsResult) {
-      setPostIds(getUserPostsResult.value.slice().reverse().map(Number));
+      const { value } = getUserPostsResult;
+      const res = value || [];
+      setPostIds(res.slice().reverse().map(Number));
     }
   }, [getUserPostsResult, userPostCount]);
 
diff --git a/packages/concordia-app/src/views/Profile/ProfileTopicList/index.jsx b/packages/concordia-app/src/views/Profile/ProfileTopicList/index.jsx
index 0450cc5..c51aa51 100644
--- a/packages/concordia-app/src/views/Profile/ProfileTopicList/index.jsx
+++ b/packages/concordia-app/src/views/Profile/ProfileTopicList/index.jsx
@@ -51,13 +51,15 @@ const ProfileTopicList = (props) => {
 
   useEffect(() => {
     if (getUserTopicCountResult) {
-      setUserTopicCount(parseInt(getUserTopicCountResult.value, 10));
+      setUserTopicCount(parseInt(getUserTopicCountResult.value, 10) || 0);
     }
   }, [getUserTopicCountResult, userTopicCount]);
 
   useEffect(() => {
     if (getUserTopicsResult) {
-      setTopicIds(getUserTopicsResult.value.slice().reverse().map(Number));
+      const { value } = getUserTopicsResult;
+      const res = value || [];
+      setTopicIds(res.slice().reverse().map(Number));
     }
   }, [getUserTopicsResult, userTopicCount]);
 
diff --git a/packages/concordia-app/src/views/Topic/TopicView/TopicPostList/index.jsx b/packages/concordia-app/src/views/Topic/TopicView/TopicPostList/index.jsx
index 7d26870..c83e3c4 100644
--- a/packages/concordia-app/src/views/Topic/TopicView/TopicPostList/index.jsx
+++ b/packages/concordia-app/src/views/Topic/TopicView/TopicPostList/index.jsx
@@ -49,13 +49,15 @@ const TopicPostList = (props) => {
 
   useEffect(() => {
     if (getTopicPostCountResult) {
-      setTopicPostCount(parseInt(getTopicPostCountResult.value, 10));
+      setTopicPostCount(parseInt(getTopicPostCountResult.value, 10) || 0);
     }
   }, [getTopicPostCountResult, topicPostCount]);
 
   useEffect(() => {
     if (getTopicPostsResult) {
-      setPostIds(getTopicPostsResult.value.slice().map(Number));
+      const { value } = getTopicPostsResult;
+      const res = value || [];
+      setPostIds(res.slice().map(Number));
     }
   }, [getTopicPostsResult, topicPostCount]);